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Pewabic No.2

Past Producer in Houghton county in Michigan, United States with commodity Copper
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10146511
MRDS ID W060039
MAS/MILS ID 0260610013
Record type Site
Current site name Pewabic No.2
Related records 10082606, 10194755

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -88.56285, 47.1383 (WGS84)
Elevation 335
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Houghton(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hancock(quadrangle 1:24,000 scale)

Hancock(quadrangle 1:100,000 scale)

Hancock C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Keweenaw Peninsula(hydrologic unit)

Southcentral Lake Superior(hydrologic accounting unit)

Southern Lake Superior(hydrologic subregion)

Great Lakes(hydrologic region)

Geographic areas

Country State County
United States Michigan Houghton

Public Land Survey System information

Meridian Township Range Section Fraction State
Michigan 055 N 034 W 25 Michigan

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Adularia Unknown
Calcite Unknown
Chlorite Unknown
Copper Unknown
Datolite Unknown
Epidote Unknown
Hematite Unknown
Laumontite Unknown
Prehnite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) -88.56285, 47.1383
ListMap

Economic information

Ore body information

  • Strike N20E
    Dip 45W
    Thickness 3M
    Length 2500M
    Width 3353M
    Area 20HA
    Depth to top 0M
    Field Value
    Type of Orebody #1 UNKNOWN
    Shape of Orebody #1 TABULAR
    Primary mode of Origin UNKNOWN
    Secondary mode of Origin HYDROTHERMAL
    Primary Ore Control IGNEOUS
    Secondary Ore Control LITHOLOGY
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 UNKNOWN
    Strike And Dip N20E:45W
    Avg. Thick. Unconsol. Mat. 0
    Total Surface Area (HA) 20
    Date of Last Modification 790110

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant Yes

Mining district

District name Michigan Native Copper Belt

Mineral rights holdings

Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Calumet Real Estate Co.
    Interest 100
    Home office California
    Year 1994

Comments on the ownership information

  • THE PROPERTY IS LEASED TO HOMESTAKE COPPER COMPANY AND INCO, LTD. ON A 60-40 PERCENTAGE PARTNERSHIP BASIS.

Production statistics

  • Year 1990
    Description Total Pounds Cu Pewabic Lode All Years 1080630000 Pounds Copper
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Copper Copper 490165.52mt

Comments on the production information

  • PRODUCTION DATA IS FROM REFERENCE 026.

Workings at the site

  • Type of workings Underground
    Length 2000M
    Overall depth 1524M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method HORIZ CUT & FILL W/TAILINGS 10-60
    Swell Factor .55
    Percent Waste Rock 25
    Percent Recovery 90
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 1
    1st Condition of Workings UNKNOWN
    Capacity 6000
    Capacity Units MT ORE/DAY
    Unit Production Cost 24.35
    Units of Production $/MT ORE
    Operating Days per Year 250
    Operating Shifts per Day 2
    Year of Information 1978

Reference information

Bibliographic references

  • Deposit

    BRODERICK, T.M. AND C.D. HOHL. THE MICHIGAN COPPER DIST-

  • Deposit

    RICT. CHAPTER IN COPPER RESOURCES OF THE WORLD, INTER-

  • Deposit

    NAT. GEOL. CONG., WASHINGTON, D.C., 1935, PP. 271-284.

  • Deposit

    BROOKS, T.S., R. PUMPELLY, AND C. ROMINGER. UPPER PENIN-

  • Deposit

    SULA, 1869-1873. GEOLOGICAL SURVEY OF MICHIGAN, V.1, 1873,

  • Deposit

    567 PP.

  • Deposit

    BUTLER, B.S. AND W.S. BURBANK. THE COPPER DEPOSITS OF MICH-

  • Deposit

    IGAN. U.S. GEOLOGICAL SURVEY PROF. PAPER NO. 144, 1929, 238

  • Deposit

    PP. PLUS SEPARATE PLATES.

  • Deposit

    HUBBARD, H.A. LOWER KEWEENAWAN VOLCANIC ROCKS OF MICHIGAN

  • Deposit

    AND WISCONSIN. U.S. GEOLOGICAL SURVEY J. RES., V. 3, NO. 5,

  • Deposit

    SEPT.-OCT.,1975, PP. 529-541.

  • Deposit

    MATHEWS, A.A. CAPITAL AND OPERATING COST ESTIMATING SYSTEM

  • Deposit

    HANDBOOK. BUMINES MINERALS AVAILABILITY SYSTEM CON-

  • Deposit

    TRACT NO. J0255026, FINAL ED., 1977, 344 PP.

  • Deposit

    WEEGE, R.J., AND J.P. POLLOCK. EXPLORATION METHODS IN THE

  • Deposit

    COPPER COUNTRY, KEWEENAW PENINSULA, MICHIGAN. CHAPTER

  • Deposit

    IN PAPERS PRESENTED AT THE AIME PACIFIC SOUTHWEST MIN-

  • Deposit

    ERAL INDUSTRY CONFERENCE, SPARKS, NEVADA, MAY 5-7,1965,

  • Deposit

    SESSION ON NORTH AMERICAN EXPLORATION AND MINE DEVELOP-

  • Deposit

    MENT; NEVADA BUREAU OF MINES REPT. 13, PT. C, 1966, PP.

  • Deposit

    51-61.

  • Deposit

    WHITE, W. S. THE NATIVE COPPER DEPOSITS OF NORTHERN MICHI-

  • Deposit

    GAN. CH. IN ORE DEPOSITS OF THE UNITED STATES, 1933-

  • Deposit

    1967, ED. BY T. D. RIDGE, AIME, V. 1, 1968, PP. 303-325

  • Deposit

    WILBAND, J.T. THE COPPER RESOURCES OF NORTHERN MICHIGAN.

  • Deposit

    BUMINES MINERALS AVAILABILITY SYSTEM CONTRACT NO. J0366

  • Deposit

    067, UNPUBL. FINAL REPT., 1978, 66 PP.; COPY AT E.F.O.C

General comments

Subject category Comment text
Deposit COPPER TONNAGES & GRADES FROM AASES REPORT, SEE REFERENCES. ALL OTHER % P VALUES GENERATED FROM 50% P TONNAGE (CUMULATIVE OF ALL MEASURED, INDICATED & INFERRED RES DOWN TO THE 7800 FT LEVEL FOR THAT ORE GRADE SHOWN). HARD-COPY BACKUP-FILE FOR DETAILS. COMMENTS WITH THE FOLLOWING LINE NUMBERS WERE ADDED JUNE 1978 DURING THE RE-EVALUATION OF THE NATIVECOPPER DEPOSITS OF MICHIGAN: 065-069, H001, I001-I008, O001- O002.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-MAR-1995 Lyday, Travis Q. U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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